so can we attach hellfire missiles to a drone, and that's what compelled the cia to put this program together. and when 9/11 transpired, that's why the cia had armed drones in theater. >> as you look back on it now, the drone warfare has increased probably well beyond what you foresaw at that time. on balance the right thing? on balance a questionable thing? how do you weigh that? >> as any tool, any weapon it depends on how you employ it. it's exceedingly precise. a very small warhead, can go through a window. it's a lot better than dropping a 500-pound bomb. it's a lot safer than putting troops on the ground. but what concerns me today is the overreliance or potential overreliance on this technology particularly in the absence of human sources. in september of 2001, we had more than a hundred sources in every province of afghanistan scattered throughout the country. we only had two drones, one armed, one unarmed. the balance today, i'm sure, it's a lot different. you cannot allow technology to undermine those human relationships, those human networks. >> when, when you look now at